Sicken vs Frighten - What's the difference?

Sicken is a related term of frighten.

is that sicken is to make ill while frighten is to disturb with fear; to throw into a state of alarm or fright; to affright; to terrify.

(en verb)

To make ill.

The infection will sicken him until amputation is needed.

To become ill.

I will sicken if I don’t get some more exercise.

* Francis Bacon

The judges that sat upon the jail, and those that attended, sickened upon it and died.

To fill with disgust or abhorrence.

His arrogant behaviour sickens me.

To be filled with disgust or abhorrence.

* Shakespeare

Mine eyes did sicken at the sight.

To become disgusting or tedious.

* Goldsmith

The toiling pleasure sickens into pain.

To become weak; to decay; to languish.

* Alexander Pope

All pleasures sicken , and all glories sink.

(en verb)

To disturb with fear; to throw into a state of alarm or fright; to affright; to terrify.

* See also